Trademarks & Copyrights - from Nolo Press, in addition to general information and forms, site includes special topics such as copyrights on software, copyrights and cyberspace, and fair use.

Patents

http://ep.espacenet.com/- Home page - search over 30 million worldwide patent documents. esp@cenet is a free Internet service provided by the European Patent Organisation and the national offices of its members states.

Databases: Patent Grant and Patent Application - search for patents on the web at this site from the Patent and Trademark Office. Many patents are available in full-text format, but viewing images will require that you install a TIFF viewer on your machine.